Excessive vanity. / Boastful, unwarranted pride in one's accomplishments or qualities. / Vain, ostentatious display. / A regarding of oneself with undue favor.

(intransitive) To boast; to act in a vain manner.

present participle of vainglory

Vainglorious behaviour.

plural of vainglorying

With excessive vanity or unwarranted pride.

In a vainglorious manner.

plural of vainglory

vainglory

simple past tense and past participle of vainglory